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Posted to dev@phoenix.apache.org by "Lars Hofhansl (JIRA)" <ji...@apache.org> on 2019/02/05 00:42:00 UTC

[jira] [Created] (PHOENIX-5123) Avoid using MappedByteBuffers for server side GROUP BY

Lars Hofhansl created PHOENIX-5123:
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             Summary: Avoid using MappedByteBuffers for server side GROUP BY
                 Key: PHOENIX-5123
                 URL: https://issues.apache.org/jira/browse/PHOENIX-5123
             Project: Phoenix
          Issue Type: Bug
            Reporter: Lars Hofhansl


Like PHOENIX-5120 but for GROUP BY.
Solution is a bit more tricky, since outline for sorting the access here is truly random.
[~apurtell] suggests to perhaps just use a RandomAccessFile for this.
(I'm not sure that uses under the hood, though)



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